Volume 11, Issue 1, April 2008, Pages 1-8
10.22038/ijogi.2008.5934
Simin Atash Khuei; Rasul Azarfarin; Parvin Mostafa Gharebaghi
Volume 9, Issue 1, March 2006, Pages 61-66
10.22038/ijogi.2006.5992
SH Malek KHosravi; B Kabodi; M Kabodi